void testCaptureOutput()
{
OsStatus stat;
// this command will produce a mix of stdout and stderr
UtlString appName = "ls";
UtlString params[10];
params[0] = "-d";
params[1] = "/madeUpNameDoesNotExist";
params[2] = ".";
params[3] = NULL;
OsProcess process;
OsPath startupDir = ".";
// std::cout << "Launching process: " << appName.data() << std::endl;
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "launching process %s %s", appName.data(), params[0].data());
stat = process.launch(appName, params, startupDir,
OsProcessBase::NormalPriorityClass, false,
false/* don't ignore child signals*/);
CPPUNIT_ASSERT(stat == OS_SUCCESS);
CPPUNIT_ASSERT(process.isRunning());
UtlString stdoutMsg, stderrMsg;
int rc;
// can't guarantee in what order we'll get the output, just check for both
bool bGotStdout = false;
bool bGotStderr = false;
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "calling getOutput");
while ( (rc = process.getOutput(&stdoutMsg, &stderrMsg)) > 0 )
{
if ( stdoutMsg.length() > 0 )
{
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "got stdout: %s", stdoutMsg.data());
bGotStdout = true;
}
if ( stderrMsg.length() > 0 )
{
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "got stderr: %s", stderrMsg.data());
bGotStderr = true;
}
}
CPPUNIT_ASSERT(bGotStdout==true);
CPPUNIT_ASSERT(bGotStderr==true);
CPPUNIT_ASSERT(rc == 0);
// since we forced an invalid command, we expect a non-zero return code
rc = process.wait(0);
CPPUNIT_ASSERT(rc != 0);
}
void testSendInput()
{
OsStatus stat;
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "testSendInput");
// this command will produce a mix of stdout and stderr
UtlString appName = "sh";
UtlString params[10];
params[0] = "-c";
params[1] = "cat";
params[2] = NULL;
OsProcess process;
OsPath startupDir = ".";
// std::cout << "Launching process: " << appName.data() << std::endl;
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "launching process %s %s", appName.data(), params[0].data());
stat = process.launch(appName, params, startupDir,
OsProcessBase::NormalPriorityClass, false,
false/* don't ignore child signals*/);
CPPUNIT_ASSERT(stat == OS_SUCCESS);
CPPUNIT_ASSERT(process.isRunning());
UtlString stdoutMsg, stderrMsg;
int rc;
// send "well", then "hello", and expect "goodbye" back
bool bGotGoodbye = false;
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "starting sendInput task");
SimpleTask * pTask = new SimpleTask(&process);
pTask->start();
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "calling getOutput");
while ( !bGotGoodbye && pTask->isStarted() && (rc = process.getOutput(&stdoutMsg, &stderrMsg)) > 0 )
{
if ( stdoutMsg.length() > 0 )
{
// The output is sure to contain newlines, and may contain several lines.
// Clean it up before dispatching.
UtlTokenizer tokenizer(stdoutMsg);
UtlString msg;
while ( tokenizer.next(msg, "\r\n") )
{
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "got stdout: %s", msg.data());
if ( msg == "goodbye" ) {
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "got goodbye command");
bGotGoodbye = true;
}
}
}
if ( stderrMsg.length() > 0 )
{
OsSysLog::add(FAC_KERNEL, PRI_DEBUG, "got stderr: %s", stderrMsg.data());
}
}
CPPUNIT_ASSERT(bGotGoodbye==true);
pTask->requestShutdown();
delete pTask;
}